Question

вычеслите 1 (целых) 3/4 + (-1/2)

Answer 1

1 3/4 + (-1/2) = 1 1/4

Answer 2

$1 \frac{3}{4} + ( - \frac{1}{2} ) = \frac{7}{4} - \frac{1}{2} = \frac{7 - 2}{4} =$
$= \frac{5}{4} = 1 \frac{1}{4}$